Sectional dredge.



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UNITED STATES PATENT OFFICE.

GEORGE E. TURNER, OF BELLEFONTAINE, OHIO, ASSIGNOR OF ONE-TENTH TO H. L.WEISER, 0F BELLEFON'I'A-INE, OHIO.

SECTIONAL DREDGE.

Specification of Letters Patent.

Patented Oct. 25, 1910.

Application filed May 2, 1908. Serial No. 430,460.

To all whom it may concern: 1

Be it known that I, GEORGE E. TURNER, a citizen of the United States,residing at Bellefontaine, in the county of Logan and State of Ohio,have invented certain new and useful Improvements in Sectional Dredges,of which the following is a specification.

My invention relates to improvements in sectional steel dredges, and itrelates more particularly to that class of dredges which are used forditching.

The object of my invention is to provide a sectional dredge, thesections of which will be constructed in such a manner that the machinemay be readil set-up for operation in the field, and easi y and quicklytaken apart when desired for transportation.

A further object of my invention is to provide a machine which can beeasily and quickly converted from a bank-spud machine into one of thevertical spud type and vice versa.

A further object of my invention is to provide a construction insectional dredges by which the weight of the operating parts may be sosupported as to be distributed over a number of the sections of themachine.

A further object of my invention is to improve, simplify and cheapen theconstruction of machines of this character.

My invention consists in the constructions of parts hereinafterdescribed and set forth in the claims.

In the accompanying drawin s Figure 1 is a side elevation of a deviceem. odyin my invention. Fig. 2 is a top plan View 6 the sama Fig. 3 is afront elevation of the same. Fig. 4 is also a front elevation showingthe auxiliary or side pontoons. Fig. 5 is a sectional view on the linea; a: of Fig. 2. Fig. 6, is a sectional view on the line 1 y of Fig; 2.Fig. 7 is a vertical sectional view 100 ing to the rear, the sectionbeing taken just in front of the frame and its support. Fig. 8 is adetail plan view of the su port for the A-frame and its connections witthe pontoon section.

Like parts are represented by similar characters of reference in theseveral views.

a a re resent a series of hull sections, preferably s own in thedrawings as formed in the nature of pontoons. Each of these pontoonsections is preferably constructed of sheet steel open at the top, andsuitably braced and stiffened. I have not shown the manner of stiffeningand bracing these pontoon sections as any suitable construction for thispurpose ma be employed. Secured to the top edge of t e adjacent ends ofeach of the said sections is a transverse angleiron bar a which bars notonly serve as additional stifieners for the sections but also one of themeans for attaching the superstructure or frame to the pontoon sections,as hereinafter described. These pontoon sections, a a, are arranged endto end and adapted to support the superstructure and operating mechanismof the dredge.

b I) are a series of angle-iron bars arranged longitudinally on eachside of the pontoon sections and extending throughout their length,these bars forming the base of the superstructure or frame work. Thesebars, 6, are connected together and also to the respective pontoonsections, a a, by plates, 0, c 0 c 0 said plates being riveted to saidbars by shop rivets, except at the juncture of the bars, and beingconnected to the pontoon sections, a, by field bolts. In the drawings Ihave indicated the shop rivets by black circles and the field bolts byopen circles, not only in connection with these plates, but also at allother points where rivets-and bolts are employed. The bars, 6, inpractice, are formed of such length as to extend over at least four ofthe pontoon sections, but in the drawings I have shown one of the barsas of a shorter length and extending over but two of the sections. The

forward bar is the longer one and extends over the first four forwardsections. The plate 0 forms the juncture between the two bars and isshown as riveted to the rear bar, Z), by shop rivets and bolted to theforward bar by field bolts. It will of course be understood that thesebars I) may be made of any suitable length and extend over as manysections as will be found practicable.

Secured to the cross bars, a of the respective sections, a, and also tothe respective plates, 0, c c c 0*, are a series of transverse bents ortrusses, at. These trusses, d, are built up preferably in one piece atthe factory of angle-irons laced together in the usual Way, although ifdesired these" trusses might be constructed in separate partsand boltedtogether in the field. The trusses, d, are constructed on each side ofVertical angle-irons laced together, the outer angleirons, d beingbolted to the respective plates, 0,0 etc. by field bolts, and thebottoms of these angle-iron bars being bolted to the respective bars,at, of adjacent sections; through the medium of projecting feet, (Zsecured to or forming an integral part of plates d which plates areriveted to the respective angle-iron bars composing the sides of thetrusses, as shown. These trusses, d,

are connected together at the top by. longitudinal angle-iron bars, e,corresponding to the bars, 6. The bars, 6, are secured to the trusses,d, in any suitable manner but pref erably through the medium of a seriesof top plates, f, and side plates, g, which plates aresecured to thebars, 6, by shop rivets eX- cept at the joints, where one-half of therespective plates, f and 9!, will be riveted to' one bar and the otherhalf bolted to the adjacent bar by field bolts in the manner describedin connection with the lower bars, 6, and plates, 0, 0 etc.; theseplates f and 9, being bolted by field bolt-s to the respectiveangle-irons composing the trusses. The trusses of the frame are furtherconnected at the top by a series of diagonal bars, h, and at the sidesby a series of diagonal bars, h these bars being bolted to the plates,0, 0 etc. and f and g, by field bolts. The bars, 71., are preferablyriveted to a central plate, which will be bolted to the trusses, cl, byfield bolts. I

The boom for the dipper, the A-frame, and the spud carrying frame aremounted at the forward part of the machine and I have so supported thesevarious parts that their Weight and strain will be distributed over anumber of the pontoon sections. As before stated the angle iron bar, 6,extends over and is connected to preferably four of the pontoon sectionsand the plate, 0, also extends over several of the sections and isconnected to the bar, I), and the said sections. The

A-frame p, is constructed in any suitable manner and is supported upon aframe work made up of two' transverse channels, 70 79 connected togetherin the usual way. These channels are connected to the plate, 0, by

angle-iron plates 79 and each channel iron has secured at each endlaterally extending plates, 19' p5, whichplates extend through slots inthe respective plates, 0, and are connected to plates, c connected tothe outside of the large plate, 0, each of'the plates, 0, being securedbetween the respective plates p and 19 which latter platesare secured toopposite sides. of the vertical portion of said beam, These projectingportions, 12 79 and the plates, 0 are adapted to form pivots for bracesas hereinafter fully explained.

The turn-table, m, for the boom is supported on a similar frame workmade up of channel irons, m m su tably connected tog ther. This Supportis secured at each end the usual. way of channel iron or I-beams,

j j suitably laced together. These beams are supported by verticalangle-iron supports, j f. The vertical supports,j are connected totherespective plates, 0, and also to the plates, 0 at their lower ends, andat their up er ends are secured to the channel irons, j j through themedium of plates, j. Thetop beams, j f, are extended laterally andarranged at their ends to receive the spuds, 0. Arranged between thesebeams is a channel shaped guide, j and the beams are tied together attheir respective ends by plates, j so that the respective spuds will beconfined between this guide, j, and the blocks or plates, j, in the endsof the beams but per mitted to slide freely therethrough. These spudsare provided with the usual means for raising and lowering them,Pivotally' con-. nected to the lower ends of each of the spuds is abrace 04, which will be pivoted to a pin or bolt, 0 extending throughthe laterally projecting plates, 72 p and also through the plates, 0'connectedthereto. These spuds are arranged to be used either asbank-spuds or vertical-spuds. In Fig. 3 the spuds are shown in positionfor use as. bank-spuds in which position the braces, 0 are employed. InFigl'4 the spuds are shown in position for use as vertical spuds, inwhich position of use the extra side pontoon sections, a a 5 areemployed.

The auxiliary side pontoon sections, a are constructed in any suitablemanner but preferably similar to the main sections, a a.

They are secured to the main sections preferably by the same bolts whichSecure the plates, a 0 etc. to the main sections by simply extending thebolts through these side sections. The purpose of these pontoon Sectionsis to add additional boom capacitywhen the spuds are used in thevertical position, a somewhat longer boom bein used for the purpose ofcutting a wider distance than would be possiblewhen the spuds were usedas bank spuds. When these side pon toon sections'are used the braces, 0willbe removed and other braces, 0 0- will be connected to the pivotalpoint, 0 and also connected to the side ontoons in any suitable manner.One of t ese auxiliary side. pontoons on each Side will, have connectedthere- 130 OX, 0 into which the respective spuds, 0, will berec'eivedthe feet 0", of hese spuds having been first removed. When thepQn-a toon sections are used the structure is further braced andstiffened by brace rods, 0". These brace rods are secured at their lower.ends to outer sidesof-the side sections and at theirupper ends to theplates j.

It will be 6. 11 from the construction described that I have provided asectional dredge whichcan be easily set up in thefield and taken apartfor transportation. By the construction it is possible to-neadily detachany one of the pontoon sections, a, and re move it for the purpose ofrepair. Also by the construction employed the weight and strain will bedistributed over a wide range. For instance, in the forward part of themachine it will be seen that the frames. or supports for the boomturn-table, the A-frame, and the spud carrying frame are all secured tothe large plates, 0, and these plates are themselves secured to a numberof pontoon sections so that the weight of these various parts and thestrains brought upon them will be distributed throughout the differentsections.

While I have shown the sections of the hull as formed of pontoons, yetit is obvious that the hull might be made up of openended sections,suitably connected together, so as to form when assembled a continuoushull; the respective end sections, of course, being closed at one oftheir ends. If desired, partitions could be inserted between therespective sections to provide not only a series of water-tightcompartments, but also to brace and strengthen the hull. The hull thusformed would also be braced and strengthened in any other suitablemanner to give the required strength for supporting the machinery, suchas the winding drums, engines, etc.

In the construction shown in the drawings, the superstructure is soformed as to assist to stiffen and strengthen the hull, but thisconstruction might be modified and the hull so braced and stiffened asto carry the load of the machinery outside of the boom, A-frame andspud-carrying frame, so that it would be necessary to provide but alight super-structure for the purpose of supporting the roof andinclosing walls of the cabin.

Having thus described my invention, I claim:

1. In a machine of the character described, a series of hull sections, aframe work also formed in sections mounted upon said hull sections, asingle integral piece of said frame work being secured to two or more ofsaid hull sections at each side thereof, and supports for the operatingmechanism connected to said integral piece, substantially as and for thepurpose specified.

2. In amachine of the character described, a series of hull sections, asuper-structure supported b said hull sections, plates connecting saisuper-structure and said hull sections, one plate on each side of themachine, said plates extended over two 01- moms of said sections, andsupports for the operating mechanisrnasecured to said ptates,substantially as and for the purpose specified.

3. Inamachineof the character described, a series of hull sections, asuper-structure mounted upon said sections, said-superstructurecomprising angle-iron base rails, two plates one on each side connectingsaid base rails with two or more of said hull sections, and supports forthe boom, A-frame, and spud carrying frame connected to said plates,substantially as and for the purpose specified.

4. In amachine of the character described, a series of hull sections, asuper-structure mounted upon said hull sections, two plates one on eachside connecting the base of said super-structure with two or more ofsaid hull sections, brace rods extending from said plates to the upperpart of said super-structure, and supports for the boom, A-frame, andthe spud carrying frame connected to said plates, substantially as andfor the purpose specified;

5. In a machine of the character described, a series of hull sections, asuper-structure mounted upon said hull sections, said superstructureconsisting of longitudinal base rails removably connected to saidsections, and a series of transverse trusses connected to said baserails and also to said hull sections, said trusses being connectedtogether,

Eulastantially as and for the purpose speci- 6. In amachine of thecharacter described, a series of hull sections, a super-structuremounted upon said hull sections, said superstructure comprising a seriesof angle-iron base rails, plates connecting said base rails together andalso to said hull sections, and a series of transverse trusses connectedto said plates, said trusses bein connected together, substantially asand or the purpose specified.

7. In a machine of the character described, a series of hull sections, asingle integral plate on each side of said sections extended over two ormore of the same and secured thereto, and .supports for the operatingmechanism extending transversely across said sections and secured tosaid plates, substantially as specified.

8. In a machine of the character described, a series of separate hullsections removably secured together, a supporting frame work supportedby said hull sections,said frame work comprising two longitudinallyextending plates extending over and secured to two or more of saidsections, and supports for the operating mechanism extendingtransversely across saidsections and secured to said plates,substantially as specified.

9. In amachine of the character described,

a series of hull sections, a su porting frame nected with said plates,substantially as 10 work. mounted on said hul sections, said specified.

frame work comprising longitudinally-ex- In testimony whereof, I havehereunto set tending angle-iron base rails, two hlon itudimy hand this27th day of April 1908. 5 nally-extending lates one on eac si e con-' Inected with said base rails and also with GEORGE TURNER two or more ofsaid sections, and supports Witnesses: for the operatlng In'echamsmextending EDMUND J. BROPHY, transversely across said sections and con-ELIZABETH B. TURNER.

